w: fix compiler warnings

w.c:409:2: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
w.c:325:42: warning: unused variable 'args' [-Wunused-variable]

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

diff --git a/w.c b/w.c
index f86f2df165917d69580434b226e48d9b07e79696..ccfa4b82c6f8206b719eebad00e304e3b2eae3be 100644 (file)
--- a/w.c
+++ b/w.c
@@ -325,7 +325,7 @@ int main(int argc, char **argv)
        char *user = NULL, *p;
        utmp_t *u;
        struct winsize win;
-       int header = 1, longform = 1, from = 1, args, maxcmd = 80, ch;
+       int header = 1, longform = 1, from = 1, maxcmd = 80, ch;
        int userlen = 8;
        int fromlen = 16;
        char *env_var;
@@ -409,7 +409,7 @@ int main(int argc, char **argv)
        }
        if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &win) != -1 && win.ws_col > 0)
                maxcmd = win.ws_col;
-       else if (p = getenv("COLUMNS"))
+       else if ((p = getenv("COLUMNS")))
                maxcmd = atoi(p);
        else
                maxcmd = 80;